Home / 323,784-660,411

Finding the Third Proportional to 323,784 and 660,411

Calculator

Solution

The third proportional to 323,784 and 660,411 is: 1,347,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,784 : 660,411 = 660,411 : x
  2. Step 2: Convert to fraction form
    323,784/660,411 = 660,411/x
  3. Step 3: Cross multiply
    323,784x = 660,411 × 660,411
  4. Step 4: Simplify right side
    323,784x = 436,142,688,921
  5. Step 5: Solve for x
    x = 436,142,688,921/323,784
  6. Step 6: Final answer
    x = 1,347,017.42

Related Problems

Find third proportional to 161,892 and 330,205.50
Half scale
Find third proportional to 647,568 and 1,320,822
Double scale
Find third proportional to 323,786 and 660,415
Similar ratio
Find third proportional to 485,676 and 990,616.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.